2025ist

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Information

Transient

Name: AT2025ist
Right ascension: 9h08m45.62s
Declination: -14d44m44.96s
Discovery Date: April 30, 2025, 3:53 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.050

Host

Name: 2025ist
Right ascension: 9h08m45.79s
Declination: -14d44m42.72s
Redshift: 0.052219
Photometric Redshift: 0.034
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 9.22
Transient MWEBV processed 0.04
Host match processed 1.86
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.21
Validate global photometry processed 16.2
Global host SED inference processed 391.75
Local aperture photometry processed 6.41
Validate local photometry processed 0.02
Local host SED inference processed 451.51
 

Cutout Download Report

2MASS_H: 2MASS_J: 2MASS_K: WISE_W1: WISE_W2: WISE_W3: WISE_W4: GALEX_NUV: GALEX_FUV: PanSTARRS_g: PanSTARRS_r: PanSTARRS_i: PanSTARRS_z: PanSTARRS_y: SDSS_i: SDSS_r: SDSS_u: SDSS_z: SDSS_g: DES_g: DES_r: DES_i: DES_z: DES_Y:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 9h08m45.62s, -14d44m44.96s
semi major axis, semi minor axis (arcsec) = 1.97, 1.97
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 173.32 1.03 18.303 0.006 AB
PanSTARRS_g 173.98 0.52 18.299 0.003 AB
PanSTARRS_r 334.64 0.74 17.589 0.002 AB
DES_r 372.62 1.83 17.472 0.005 AB
PanSTARRS_i 496.56 0.9 17.160 0.002 AB
PanSTARRS_z 604.48 1.33 16.947 0.002 AB
DES_z 680.0 8.74 16.819 0.014 AB
PanSTARRS_y 782.73 3.27 16.666 0.005 AB

Aperture details

RA, DEC (J2000) = 9h08m45.79s, -14d44m42.47s
semi major axis, semi minor axis (arcsec) = 17.51, 12.33
angle (degrees, anti-clockwise from east) = -0.55

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 58.34 7.49 19.485 0.139 AB
GALEX_NUV 104.27 6.68 18.855 0.070 AB
DES_g 2458.15 4.19 15.423 0.002 AB
PanSTARRS_g 2522.02 3.33 15.396 0.001 AB
PanSTARRS_r 4939.79 4.98 14.666 0.001 AB
DES_r 5429.97 7.26 14.563 0.001 AB
PanSTARRS_i 7419.17 6.12 14.224 0.001 AB
PanSTARRS_z 9116.43 9.4 14.000 0.001 AB
DES_z 10153.5 34.91 13.883 0.004 AB
PanSTARRS_y 11893.4 24.01 13.712 0.002 AB
2MASS_J 15835.87 403.93 12.506 0.028 Vega
2MASS_H 18686.85 592.2 11.854 0.034 Vega
2MASS_K 17324.88 674.0 11.466 0.042 Vega
WISE_W1 8174.55 59.59 11.420 0.008 Vega
WISE_W2 4940.85 63.91 11.326 0.014 Vega
WISE_W3 9632.8 176.11 8.767 0.020 Vega
WISE_W4 7508.55 1003.6 7.591 0.145 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.742 9.870 9.992
{\rm log}_{10}({\rm SFR}) -0.874 -0.296 0.183
{\rm log}_{10}({\rm sSFR}) -10.828 -10.172 -9.618
{\rm stellar\ age} 4.291 6.587 8.112

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.163 -0.497 -0.111
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.553 0.133 0.368

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.424 0.798 1.285
\delta -0.717 -0.325 -0.043
\tau_1/\tau_2 0.613 0.953 1.288
Q_{PAH} 0.578 1.984 4.761
U_{min} 2.610 7.477 13.984
{\rm log}_{10}(\gamma_e)\, -3.254 -1.856 -0.813

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.777 -1.355 -0.568
{\rm log}_{10}(\tau_{AGN})\, 0.943 1.460 1.940

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.667 -0.275 0.116
0.03-0.10 Gyr -1.208 -0.356 0.232
0.10-0.33 Gyr -1.041 -0.263 0.336
0.33-1.08 Gyr -0.742 -0.143 0.300
1.08-3.57 Gyr -0.566 -0.067 0.178
3.57-11.75 Gyr -0.587 -0.090 0.128
11.75-13.06 Gyr -0.744 -0.039 0.506

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.124 11.151 11.187
{\rm log}_{10}({\rm SFR}) 0.220 0.396 0.572
{\rm log}_{10}({\rm sSFR}) -10.929 -10.746 -10.561
{\rm stellar\ age} 7.607 8.204 9.941

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.282 -0.161 -0.086
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.117 0.295 0.419

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.211 0.281 0.380
\delta -0.782 -0.568 -0.345
\tau_1/\tau_2 0.530 0.879 1.236
Q_{PAH} 0.920 1.639 2.569
U_{min} 2.588 7.366 14.213
{\rm log}_{10}(\gamma_e)\, -3.108 -2.235 -1.678

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.492 -3.685 -2.712
{\rm log}_{10}(\tau_{AGN})\, 1.120 1.625 1.955

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.337 0.505 0.640
0.03-0.10 Gyr 0.031 0.329 0.603
0.10-0.33 Gyr -0.068 0.287 0.560
0.33-1.08 Gyr -0.116 0.290 0.561
1.08-3.57 Gyr 0.079 0.595 0.937
3.57-11.75 Gyr 1.107 1.335 1.408
11.75-13.06 Gyr 1.118 1.531 2.050